Display screen or portion thereof with icon



FIG. 1 is a front view of a display screen or portion thereof with icon,showing my new design; and,

FIG. 2 is a front view thereof, as shown in a display screenenvironment.

The broken lines are for environmental purposes only and form no part ofthe claimed design. The dot-dash broken lines represent unclaimedboundary lines and form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withicon, as shown and described.